Плавающий липкий блок с телефоном в шапке

<div class="promo-slide-in">
<div class="promo-slide-in-content">
<div class="promo-slide-in-content-inner"> 
</div></div></div>

.promo-slide-in {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 99;
    height: 40px;
    -webkit-transition: all .8s ease;
    transition: all .8s ease;
    background: #333;
    overflow: hidden;
    width: 100%;
    -webkit-animation: promo-slide-in .8s ease;
    animation: promo-slide-in .8s ease;
}
.promo-slide-in-content {
    text-align: center;
    -webkit-animation: promo-fade-in .8s ease;
    animation: promo-fade-in .8s ease;
    margin: 6px 0 0;
    font-size: 18px;
    color: #fff;
}
.promo-slide-in-content a {
    color: #fff!important;
    margin-left: 5px;
    margin-right: 5px;
}

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